Bump docker/bake-action from 5.5.0 to 5.6.0

Bumps [docker/bake-action](https://github.com/docker/bake-action) from 5.5.0 to 5.6.0.
- [Release notes](https://github.com/docker/bake-action/releases)
- [Commits](docker/bake-action@v5.5.0...v5.6.0)

---
updated-dependencies:
- dependency-name: docker/bake-action
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/build.yml

@@ -24,7 +24,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Build for test
-        uses: docker/bake-action@v5.5.0
+        uses: docker/bake-action@v5.6.0
         with:
           files: ./docker-bake.hcl
           load: true
@@ -93,6 +93,6 @@ jobs:
           password: ${{ secrets.GITHUB_TOKEN }}
 
       - name: Push Build
-        uses: docker/bake-action@v5.5.0
+        uses: docker/bake-action@v5.6.0
         with:
           push: ${{ github.event_name != 'pull_request' }}